Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 5f6a313fb28319e1…

MALICIOUS

Office (OLE) / .DOC

110.0 KB Created: 2021-01-22 14:50:00 Authoring application: Microsoft Office Word
MD5: 59426a5439e48b2a65807712883a874c SHA-1: 542b8cfc28a770eea5db05cb1b9c8651dd321d51 SHA-256: 5f6a313fb28319e15e8d7a023afee1262af063bc59c986c4fa3c1f02af905f1f
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros, specifically a Document_Open macro that executes obfuscated code. This behavior is characteristic of macro-based malware designed to download and execute further stages. The ClamAV detection 'Doc.Malware.Emodldr-10033991-0' strongly suggests a known malware variant.

Heuristics 6

  • ClamAV: Doc.Malware.Emodldr-10033991-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emodldr-10033991-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
347deb566c7e9fd6f5c2af2a34e8d1cae1a2c01d4391a55cd7f997d9391cd768		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16780 bytes

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